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28846902 = 2371937977
BaseRepresentation
bin110111000001…
…0101100110110
32000021120111210
41232002230312
524341100102
62510142250
7500123520
oct156025466
960246453
1028846902
1115313117
1297b1986
135c90196
143b8ca10
1527ec36c
hex1b82b36

28846902 has 64 divisors (see below), whose sum is σ = 71354880. Its totient is φ = 7589376.

The previous prime is 28846897. The next prime is 28846969. The reversal of 28846902 is 20964882.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29038 + ... + 30014.

It is an arithmetic number, because the mean of its divisors is an integer number (1114920).

Almost surely, 228846902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28846902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35677440).

28846902 is an abundant number, since it is smaller than the sum of its proper divisors (42507978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28846902 is a wasteful number, since it uses less digits than its factorization.

28846902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 28846902 is about 5370.9312041768. The cubic root of 28846902 is about 306.6900782904.

The spelling of 28846902 in words is "twenty-eight million, eight hundred forty-six thousand, nine hundred two".

Divisors: 1 2 3 6 7 14 19 21 37 38 42 57 74 111 114 133 222 259 266 399 518 703 777 798 977 1406 1554 1954 2109 2931 4218 4921 5862 6839 9842 13678 14763 18563 20517 29526 36149 37126 41034 55689 72298 108447 111378 129941 216894 253043 259882 389823 506086 686831 759129 779646 1373662 1518258 2060493 4120986 4807817 9615634 14423451 28846902